Collect duplicated RTE_BUILD_BUG_ON checks from drivers and place them
at global scope with struct rte_mbuf definition using static_assert.
Signed-off-by: Tyler Retzlaff <roret...@linux.microsoft.com>
---
lib/mbuf/rte_mbuf_core.h | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/lib/mbuf/rte_mbuf_core.h b/lib/mbuf/rte_mbuf_core.h
index 7000c04..36551c2 100644
--- a/lib/mbuf/rte_mbuf_core.h
+++ b/lib/mbuf/rte_mbuf_core.h
@@ -16,8 +16,11 @@
* New fields and flags should fit in the "dynamic space".
*/
+#include <assert.h>
+#include <stddef.h>
#include <stdint.h>
+#include <rte_common.h>
#include <rte_byteorder.h>
#include <rte_stdatomic.h>
@@ -673,6 +676,37 @@ struct rte_mbuf {
uint32_t dynfield1[9]; /**< Reserved for dynamic fields. */
} __rte_cache_aligned;
+static_assert(!(offsetof(struct rte_mbuf, ol_flags) !=
+ offsetof(struct rte_mbuf, rearm_data) + 8), "ol_flags");
+static_assert(!(offsetof(struct rte_mbuf, rearm_data) !=
+ RTE_ALIGN(offsetof(struct rte_mbuf, rearm_data), 16)), "rearm_data");
+static_assert(!(offsetof(struct rte_mbuf, data_off) !=
+ offsetof(struct rte_mbuf, rearm_data)), "data_off");
+static_assert(!(offsetof(struct rte_mbuf, data_off) <
+ offsetof(struct rte_mbuf, rearm_data)), "data_off");
+static_assert(!(offsetof(struct rte_mbuf, refcnt) <
+ offsetof(struct rte_mbuf, rearm_data)), "refcnt");
+static_assert(!(offsetof(struct rte_mbuf, nb_segs) <
+ offsetof(struct rte_mbuf, rearm_data)), "nb_segs");
+static_assert(!(offsetof(struct rte_mbuf, port) <
+ offsetof(struct rte_mbuf, rearm_data)), "port");
+static_assert(!(offsetof(struct rte_mbuf, data_off) -
+ offsetof(struct rte_mbuf, rearm_data) > 6), "data_off");
+static_assert(!(offsetof(struct rte_mbuf, refcnt) -
+ offsetof(struct rte_mbuf, rearm_data) > 6), "refcnt");
+static_assert(!(offsetof(struct rte_mbuf, nb_segs) -
+ offsetof(struct rte_mbuf, rearm_data) > 6), "nb_segs");
+static_assert(!(offsetof(struct rte_mbuf, port) -
+ offsetof(struct rte_mbuf, rearm_data) > 6), "port");
+static_assert(!(offsetof(struct rte_mbuf, pkt_len) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 4), "pkt_len");
+static_assert(!(offsetof(struct rte_mbuf, data_len) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 8), "data_len");
+static_assert(!(offsetof(struct rte_mbuf, vlan_tci) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 10), "vlan_tci");
+static_assert(!(offsetof(struct rte_mbuf, hash) !=
+ offsetof(struct rte_mbuf, rx_descriptor_fields1) + 12), "hash");
+
/**
* Function typedef of callback to free externally attached buffer.
*/
--
1.8.3.1
